body{
    display: flex;
    flex-direction: column;
}
main{
    flex: 1;
    video{
        width: 100%;
    }
    .player{
        display: flex;
        justify-content: space-between;
        padding: 0 32px;
        width: 100%;
        height: 30px;
        .iconfont{
            font-size: 30px;
        }
    }  
}